Download Print this page

Siemens siprotec 7sj602 Instruction Manual page 82

Multifunction overcurrent and motor protection relay
Hide thumbs Also See for siprotec 7sj602:

Advertisement

6-
9

7HPSHUDWXUH GHWHFWLRQ YLD 57'ER[
7KH YHUVLRQ 6-    DOORZV WR FRQ
QHFW DQ H[WHUQDO 57'ER[ YLD WKH VHULDO LQWHUIDFH WR
WKH UHOD\ 7KLV ER[ FRPSULVHV  57'LQSXWV 57'
5HVLVWDQFH 7HPSHUDWXUH 'HWHFWRU  7KH UHVLVWDQFH
WHPSHUDWXUH GHWHFWRUV 3W 1L RU 1L DUH
FRQQHFWHG WR WKH 57'ER[ YLD D ZLUH RU ZLUH
FDEOH 7KH 57'ER[ DFTXLUHV WKHVH DQDORJ WHPSHUD
WXUH YDOXHV IURP WKH WHPSHUDWXUH GHWHFWRUV LQ WKH
SURWHFWHG REMHFW DQG FRQYHUWV WKHP LQWR QXPHULFDO
YDOXHV DQG RIIHUV WKHVH DW WKH VHULDO LQWHUIDFH 2I
FRXUVH WKH VHULDO V\VWHP LQWHUIDFH RI WKH 6-
FDQQRW EH XVHG IRU RWKHU SXUSRVHV LQ WKLV FDVH
7KH 57'ER[ DOORZV WKH 6- WR LQGLFDWH DQG SUR
FHVV WKH DPELHQW RU FRROLQJ PHGLXP WHPSHUDWXUH LQ
WKH SURWHFWHG REMHFW )RU LQVWDQFH D WHPSHUDWXUH
GHWHFWRU PD\ EH LQVWDOOHG LQ WKH WUDQVIRUPHU WDQN LQ
WKH HQYLURQPHQW RI D FDEOH RU DW D PRWRU ZLQGLQJ RU
D PRWRU EHDULQJ 7KH GHYLFH LQGLFDWHV WKH WHPSHUD
WXUHV DQG FDQ VXSHUYLVH WKH WHPSHUDWXUHV DV WR H[
FHVV RI D JLYHQ WKUHVKROG YDOXH
7KH WHPSHUDWXUH YDOXH RI WKH VW 57' FDQ EH LQ
FOXGHG LQ WKH WKHUPDO RYHUORDG SURWHFWLRQ WKXV DOORZ
LQJ QRW RQO\ WR FDOFXODWH WKH WHPSHUDWXUH ULVH FDXVHG

E\ WKH FXUUHQW KHDW ORVVHV LQ WKH SURWHFWHG REMHFW EXW
DOVR WR SURFHVV WKH WRWDO WHPSHUDWXUH FRQVLVWLQJ LQ
WKH DPELHQW WHPSHUDWXUH SOXV WKH WHPSHUDWXUH ULVH
HJ LQ D FDEOH RU D ZLQGLQJ
7KH UHPDLQLQJ WHPSHUDWXUH YDOXHV FDQ EH GLVSOD\HG
LQ 6- DPRQJ WKH PHDVXUHG YDOXHV DQG FDQ EH
VXSHUYLVHG IRU H[FHVV RI VHWWDEOH WKUHVKROG YDOXHV
7HPSHUDWXUHV FDQ EH H[SUHVVHG LQ GHJUHHV &HOVLXV
RU LQ GHJUHHV )DKUHQKHLW FDQ EH VHW 
7KH 57'ER[ LWVHOI SURYLGHV WKUHVKROGV RI HDFK 57'
7KH LQIRUPDWLRQ LV WKHQ SDVVHG RQ YLD DQ RXWSXW UHOD\
RI WKH ER[ )RU IXUWKHU LQIRUPDWLRQ UHIHU WR WKH LQVWUXF
WLRQ PDQXDO RI WKH 57'ER[
7KH 57'ER[ LV GHVLJQHG WR FRQYHUW WKH WHPSHUD
WXUHV DFFRUGLQJ WR WKH WHPSHUDWXUHUHVLVWDQFH FKDU
DFWHULVWLF RI D 3W GHWHFWRU ,I RWKHU W\SHV RI GHWHF
WRUV DUH XVHG LH 1L RU 1L  WKH GHYLFH
6- FRUUHFWV WKH YDOXHV DFFRUGLQJ WR D FRUUHF
WLRQ FXUYH 7KDW PHDQV WKDW WKH YDOXHV LQGLFDWHG E\
6- DUH FRUUHFW WHPSHUDWXUH YDOXHV UHJDUGOHVV
ZKLFK W\SH RI WKH WKUHH SRVVLEOH GHWHFWRUV LV XVHG
SURYLGHG WKH UHOD\ LV LQIRUPHG DERXW WKH 57' W\SH
0HWKRG RI RSHUDWLRQ
&*&

Advertisement

loading